Weapon Duplication

Weapon Duplication (Throw & Drop)

This exploit was patched on PC on 2011 Sept 6, and PS3/Xbox 360 on 2011 Sept 14. If you clear all updates and play the game without signing into PSN or XBL, you may perform this exploit until you decide to update your game.

There is a small lag when the game updates your inventory when you throw a melee weapon. When you start to throw a weapon and enter the inventory menu, you will sometimes find the weapon is still there.

If you tell the game to drop the weapon being thrown, you will create a current copy of the weapon. This effectively lets you create weapons from thin air.

While this isn't terribly game-breaking, it can let you duplication expensive melee weapons (Developer Mods anyone?) so you can use a copy to take on a mission, and leave a back-up behind with your item storage NPC.

Note that this exploit only works in singleplayer (there is no pausing in co-operative mode when two or more players are in a game; pausing is what allows for this exploit to occur).

Another way to duplicate is simple, join a friends game.

Take something like diamonds (tons of money to be made here, or for Dev weapons)

drop it then immediately dashboard or eject the disc.

Make sure your friend picked up the item.

Then reboot the game. The game will recognize your inventory before you dropped your item so if you dropped 2 diamonds your friend took them but you still have 2 from the exploit.

(If the host leaves it will not work, the one being invited must leave. Do not activate quests when the guest has gone to his dashboard or ejected the game, it may affect chapter progress and cause annoyances.) Once you have 30 of an item a new slot will open starting it from 0 so you can have more then 30 of something.